CN102990501A - Device and method for processing the surface of workpiece - Google Patents
Device and method for processing the surface of workpiece Download PDFInfo
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- CN102990501A CN102990501A CN2012103368035A CN201210336803A CN102990501A CN 102990501 A CN102990501 A CN 102990501A CN 2012103368035 A CN2012103368035 A CN 2012103368035A CN 201210336803 A CN201210336803 A CN 201210336803A CN 102990501 A CN102990501 A CN 102990501A
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- workpiece
- sensor
- container
- abrasive particle
- polishing particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/003—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor whereby the workpieces are mounted on a holder and are immersed in the abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/0224—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels the workpieces being fitted on a support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The method relates to a method for processing the surface of a workpiece, wherein, a workpiece is inserted in granular materials comprising the grinding or polishing granules and in a container, so as to make the workpiece move relative to the granular materials. In order to guarantee surface processing conditions capable of reproduction, according to the device and method, via substraction of a distance between the sensor and the granular material filling horizontal and sensed by the sensor from a known distance between a sensor installed above the container and the workpiece, an insertion depth of the workpiece in the granular materials is determined on the occasion of the surface processing. The invention also relates to a device suitable for implementation of the method, the device is provided with a container for containing granular materials and a workpiece support detachably fixing a workpiece to be processed, wherein, the workpiece support can move relative to the container. According to the invention, the device is also provided with at least a sensor installed above the container, and the device is designed to determine the distance between the sensor and the granular material filling horizontal so as to determine the insertion depth of the workpiece in the granular materials in the container.
Description
Technical field
The present invention relates to the method for a kind of surface of the work processing, wherein, workpiece inserted be in the loose material that is formed by abrasive particle and/or polishing particles in the container, and, in the loose material that is formed by abrasive particle and/or polishing particles with respect to its motion.The invention still further relates in addition a kind of equipment that is particularly useful for implementing this method, be used for by workpiece being inserted in the loose material that is formed by abrasive particle and/or polishing particles, and loose material is with respect to the workpiece relative motion, carry out the Surface Machining of workpiece, equipment comprises the container and the one or more work support that hold abrasive particle and/or polishing particles, the workpiece of processing can detachably be fixed on the support, and wherein, work support can move with respect to container.
Background technology
For example known what is called is dragged this type of surface of the work process equipment of scraping formula finishing machine or plug-in type finishing machine form.Its working method is inserted based on the workpiece that will process and is in the loose material that is comprised of abrasive particle and/or polishing particles in the container, and workpiece is with respect to movement of particles, thus according to particle type polishing and/or polishing workpiece surface.Dragging the formula finishing machine of scraping to mean is a kind of grinding machine of special shape, and the workpiece that process for example detachably is being fixed on one or more work supports when its Surface Machining one by one.Drag the formula finishing machine of scraping often to comprise a usually support unit of rotation, it is for example to pass through applicable transmission device by the disk of motor-driven rotation basically in form, and the mount pad of a plurality of clamping work pieces supports is set at its circumference.If drag the support unit of scraping the formula finishing machine, i.e. described disk or rotor, then work support fixed thereon is depicted a track.Here, the workpiece that detachably is fixed on the work support inserts in the process vessel, the loose material that filling is comprised of granular abrasive particle and/or polishing particles in this container, and annex solution body medium in case of necessity is such as water, surfactant etc.With respect to the machining medium relative motion, carry out the Surface Machining of workpiece based on workpiece with the form that polishes smooth.For example scrape the formula finishing machine by DE 102 04 267C1 and known this dragging of DE 200 05 361U1.
Different or in addition with it, hold machining medium container can with respect to same motion, for example at least around the workpiece motion s of its oneself axis rotation, or also can be with respect to static workpiece, for example for example justify orbiting motion around its own axis and/or along a track.If only container motion and workpiece itself is not implemented moving movement then also is called this " plug-in type polishing " or " plug-in type polishing ", scrape formula fine finishining as dragging of special shape.
Abrasive particle or polishing particles can have diverse character according to workpiece to be processed in principle; and for example be natural origin (for example being formed by organic material, such as walnut shell or cocoanut shell, timber, cherry stone etc.), mineral sources (such as being formed by silicate, oxide etc.) and/or synthetic source (for example being formed by plastics).In addition, such as already described, polishing processing can be carried out dryly, or adding the liquid machining medium, for example implements in the mode of wet processing in the situation of water, and the liquid machining medium can blast blending, for example surfactant.
This dragging scraped and/or the scope of application of plug-in type finishing machine, except the product that Surface Machining is produced in enormous quantities, comprise more and more the geometry more complicated, their surface nature is proposed very high request and their especially must satisfy the very processing of the precision component of closed tolerance.In this respect as just the Precision Machinery Elements that should mention for example medical prosthesis, optical lens or machine industry.This requires to scrape and/or to observe very strict technological parameter and especially need very high reproducibility during plug-in type fine finishining dragging, and applies the personalized surface characteristic of expectation in multiple or consistent mode to guarantee workpiece.In this respect except the abrasive particle and/or polishing particles selecting to be suitable for (seeing above), especially the relative velocity between workpiece and particle (it can be adjusted by the applicable controller driving mechanism of container and/or work support usually), process time (it usually equally can preset), and the insertion depth of workpiece in the loose material that is comprised of abrasive particle and/or polishing particles plays an important role, wherein, owing to strengthen along with workpiece insertion depth increase in loose material makes the thrust of particle on workpiece, so the corrasion of particle on workpiece increases with the increase of insertion depth.In addition, especially when the container rotation that holds abrasive particle and/or polishing particles or otherwise during moving movement, the loose material that is comprised of particle has nonplanar surface profile shape based on centrifugal force or mass inertia in container.Therefore above-mentioned technological parameter interacts in significant mode each other.
DE102009021824A1 has introduced and a kind ofly has been used for hardware in granular polishing medium surface-treated method by this type, wherein, the effect of polishing medium can with member in the polishing medium insertion depth and the pressure of thus change change.Wherein also touch upon the member of processing in addition by polishing parameter (such as polishing agent, polishing speed, polishing duration, workpiece motion s, insertion depth, wet method or dry method polishing) control and reproducible edge contour, however wherein also unresolved these how to carry out.
Summary of the invention
Therefore the objective of the invention is, further develop surface of the work processing method and the equipment of the described type of preface in simple and economical mode, unified and the especially reproducible Surface Machining of the workpiece that assurance will be processed, and especially also should be able to carry out Surface Machining to this workpiece, so that they must satisfy very little tolerance and/or the surface nature of accurate regulation is proposed very high requirement.
By the purpose of the present invention aspect method and technology, in the surface of the work processing method of the described type of a kind of preface, take following measure to reach: by from known distance between the sensor that is installed in container top and the workpiece, deduct the distance between abrasive particle in the sensor determined by sensor and the container and/or the polishing particles filling level, determine at the insertion depth of workpiece when the Surface Machining in the loose material that is formed by abrasive particle and/or polishing particles.
By the purpose of the present invention aspect equipment and technology, take following measure to reach in a kind of surface of the work process equipment of the described type of preface that is particularly useful for implementing this method: equipment also has at least one to be installed in the sensor of container top, it is designed for the distance of determining between sensor and abrasive particle and/or the polishing particles filling level, in order to pass through between sensor and the workpiece, or known distance deducts above-mentioned distance between the work support of sensor and holding workpieces, determines the insertion depth in the loose material that workpiece is comprised of abrasive particle and/or polishing particles in being in container.
Accordingly, by design code of the present invention, determine for degree marginal workpiece the insertion depth in loose material of particle at abrasion polishing and/or polishing action on the workpiece by sensor, thereby can guarantee reproducible process conditions on the one hand, and/or can adapt to other technological parameters on the other hand.Here, determine the actual insertion depth of workpiece in loose material by sensor, or can when beginning, the Surface Machining process carry out, for example before dragging the work support of scraping the formula finishing machine to be placed in moving movement, or especially also can during Surface Machining, carry out, for example more or less carry out in real time continuously or by the time interval of rule, thereby the insertion depth relevant with the possible surface profile shape of the loose material in being contained in container, can have more and be detected to pinpoint accuracy, loose material is for example inserted in the loose material with respect to the obstruction of the workpiece (support) of loose material motion and is accumulated in above the workpiece.By abrasive particle and/or the filling level of polishing particles or the distance between the surface above the sensor of the present invention by determining to be installed in the container top and the inherent workpiece of container, and it is deducted from known distance between sensor and the workpiece, determine the insertion depth of workpiece in the loose material that is formed by abrasive particle and/or polishing particles.
Here should be understood that, in the application scope of disclosure, the so-called sensor that " above container " is installed, it is not the sensor that to think to be installed in the upper container edge top, and those skilled in the art are clearer be, sensor must be installed in and be in the interior abrasive particle of container and/or the top of polishing particles loose material, wherein, at least during Surface Machining, it can certainly be contained in according to the filling water safety of container internal tank, container bottom top, and/or can stretch in the container from above.
Be particularly useful for by method of the present invention, but be not only to be only applicable to a kind of like this remodeling, wherein, at least container is around the axis rotation of perpendicular during surface of the work is processed, and workpiece only inserts container interior (" plug-in type fine finishining ") or in addition itself moves and/or rotatablely move at this moment.The method can determine that workpiece depends on the insertion depth of container rotary speed in the loose material that rotatablely moves in this case, and described rotary speed causes particle to accumulate in the container edge district based on centrifugal force with depending on speed.
Therefore, a kind of corresponding equipment is characterized in that setting the rotating driver that makes it to be in rotation status for container.Yet different or in addition therewith, certainly can also stipulate, work support is installed in one can be with respect to the container motion that holds abrasive particle and/or polishing particles, especially can the parts with respect to its rotation on, as scraping the sort of parts known in the formula finishing machine by of the present invention dragging.
Can stipulate that by favourable design the distance between sensor and abrasive particle and/or the polishing particles filling level is by contactless range sensor and/or proximity transducer or definite by the mechanical type contact sensor, they for example can be installed in the workpiece top.
For this purpose, by equipment of the present invention a sensor is arranged preferably, it is made of a contactless range sensor and/or proximity transducer, it is inductance, electric capacity, magnetic, optics and electromagnetic type range sensor and/or proximity transducer especially, or by mechanical sensor, especially feeler consists of.
In order to design simple and economically, can preferably consider on the type of service to be the sensor of grating, ultrasonic wave, laser, infrared sensor or pendulum-type probe etc. here.What already confirmed in this respect to be suitable for for example is ultrasonic wave and laser distance sensor or also has so-called laser scanner, wherein especially can use the 2D laser scanner, it is the contour shape of Digital Detecting object (here: abrasive particle and/or polishing particles loose material) in one plane.This 2D laser scanner relates to the laser distance sensor that uses in laser triangulation, that is the LASER Light Source of sensor is incident upon laser spots on the particle surface, subsequently there the L﹠D of reflection relevantly with the receiver of the angle hit sensor of a regulation.This moment by luminous point on receiver the position and according to the distance of LASER Light Source from receiver, electronics calculates the distance from particle surface in sensor.In addition, the mechanical type contact sensor for so-called pendulum-type probe has also confirmed to be suitable in form, and it comprises " buoy " that is placed on the particle surface at the free end of its pendulum, and the filling level that can be determined according to the amplitude of oscillation of pendulum particle by deflection angle.
Such as already described, here sensor can be installed on work support top or its horizontal plane rightly, in order to can determine the distance between the interior abrasive particle of sensor and container and/or the polishing particles filling level, and can will be somebody's turn to do definite distance between sensor and the workpiece, or known distance deducts between the work support of sensor and holding workpieces.
Such as already mentioned, the possibility of automatic control especially is provided by method of the present invention, will be by the definite actual insertion depth of workpiece of sensor, all the time relatively and to the latter reset with the insertion depth of expectation, and/or make other technological parameters relevant with the insertion depth of determining by sensor, adapt with the actual insertion depth of workpiece of determining.Can stipulate by one of method favourable design in this respect, utilize the actual insertion depth of determined workpiece in the loose material that is formed by abrasive particle and/or polishing particles, to promote or the decline workpiece according to the insertion depth of in the loose material that is formed by abrasive particle and/or polishing particles, expecting.
By difference or a favourable design in addition can be stipulated with it therewith relevantly, determined actual insertion depth is used for changing at least one parameter of parameter group according to this insertion depth, this parameter group comprises that workpiece (that is can reduce relative velocity with the increase of workpiece insertion depth in loose material with respect to the relative velocity of the loose material that is comprised of abrasive particle and/or polishing particles, and hour can improve this relative velocity when workpiece inserts depth minus in loose material) and process time (that is can shorten process time with the increase of workpiece insertion depth in loose material, in loose material, insert depth minus and hour can lengthen this process time and work as workpiece).
Accordingly, a kind of preferred form of implementation regulation aspect equipment and technology, sensor is connected with controller action, this outer controller also is connected with the lowering or hoisting gear effect that sets for work support, make workpiece according to the actual insertion depth in the loose material that is formed by abrasive particle and/or polishing particles of determining by sensor, according to insertion depth rising or the decline in the loose material that is formed by abrasive particle and/or polishing particles of expectation.
Different or can stipulate preferably that in addition sensor for example is connected with same controller action with it, this controller also is connected with the driver effect of container and/or work support in addition, and purpose is
-the insertion depth in the loose material that is comprised of abrasive particle and/or polishing particles determined by sensor according to the workpiece that detachably is fixed on the work support, change detachably are fixed on workpiece on the work support with respect to the relative velocity that is in the loose material that is comprised of abrasive particle and/or polishing particles in the container; And/or
-according to the insertion depth in the loose material that is formed by abrasive particle and/or polishing particles that the workpiece that detachably is fixed on the work support is determined by sensor, change the process time of workpiece.
As described in preface, expectation adds a kind of liquid machining medium for the loose material be comprised of abrasive particle and/or polishing particles in many cases, and such as water, it where necessary can blast blending, such as surfactant etc.In order still to guarantee in this case reproducible as far as possible machined parameters, further develop and can stipulate by of the inventive method, add a kind of liquid machining medium for abrasive particle and/or polishing particles, this moment the liquid machining medium that control is added amount.Wish the circulation of liquid machining medium if connect where necessary under the condition that purifies level, and container also comprises the outlet of a liquid machining medium for this reason, then can certainly control the amount of the liquid machining medium that is discharged from the container.
A kind of container of corresponding equipment preferably has an import that is provided with the controllable measuring pump, is used for adding the liquid machining medium of controllable amounts to the abrasive particle and/or the polishing particles that are in the container.This correspondingly goes for the outlet of the container that may be provided with.Here, measuring pump equally can with one especially central controller be connected.
Description of drawings
By referring to providing other features and advantages of the present invention in the explanation of accompanying drawing to embodiment.Wherein:
Fig. 1 schematically illustrates the cutaway view for a kind of embodiment that drags the equipment of scraping formula finishing machine form of surface of the work processing; And
Fig. 2 schematically illustrates the decomposition diagram for a kind of embodiment of the equipment of the plug-in type finishing machine form of surface of the work processing.
The specific embodiment
Be to drag a kind of form of implementation by present device of scraping formula finishing machine 1a on Fig. 1 representation.Drag and scrape formula finishing machine 1a and be equipped with work support 2, this workpiece frame 2 detachably is fixed on (here: the rotatable) support unit 4 that drags a motion of scraping formula finishing machine 1a by clamping connector 3, that is on so-called disk or the rotor.Work support 2 here is clamped on the support unit 4 prejudicially with respect to the rotation 4a of support unit 4, so it depicts an arc trajectory when support unit 4 rotation.Here, work support 2 itself can be around axis 2a, as being fixed on rotatably on the support unit 4 around its longitudinal axis, this for example can realize by a planetary transmission that is installed in the support unit 4, when its rotation 4a rotated, planetary transmission impelled work support 2 to rotate around its rotation 2a at support unit 4.Other work support (not shown)s that this correspondingly is applicable to arrange in case of necessity, they can be clamped in the position with respect to the rotation 4a off-centre of support unit 4 downside of support unit 4 equally.The rotary actuation of support unit 4 is realized by the motor/transmission device 5 that only dots in Fig. 1.
But can for example being designed for, work support 2 accepts the workpiece (not shown) that a plurality of perpendicular clamp, and for this reason at its downside in Fig. 1 of clamping connector 3 and support unit 4, a plurality of (three in this example) workpiece bracket 6 is arranged, be used for detachably clamping respectively a workpiece or workpiece assembling seat, the latter is used for clamping respectively one or more workpiece (all not expressions).Workpiece bracket 6 is along the circle distribution of work support 2, that is arranges prejudicially with respect to its rotation 2a.In order to make workpiece bracket 6 except moving movement, based on the rotation of support unit 4 and work support 2 also carry out around its separately longitudinal axis 6a rotatablely move, workpiece bracket 6 can be rotated to support on the work support 2 itself, and for example can place rotation status by a planetary transmission (not shown) that is installed in the work support 2 again.
Scrape formula finishing machine 1a when work dragging, the workpiece that can be fixed at least on the work support 2 workpiece brackets 6 inserts in the process vessel 8, be filled with a kind of powdery or granular abrasive particle and/or polishing particles in this container, mix in case of necessity the secondary process material of liquid, such as water, surfactant and so on.For Surface Machining is clamped in workpiece (not shown) on the workpiece bracket 6, drag the support unit 4 of scraping formula finishing machine 1a to be in rotation status by motor/transmission device 5, thereby make work support 2 along the movement locus of regulation, here be circular trace, movably by process vessel 8 or the machining medium towing by wherein containing.In addition, be installed in the support unit 4 or the assurance of the planetary transmission in the work support 2, not only work support 2 but also workpiece bracket 6 or workpiece fixed thereon be around the axis rotation of perpendicular, but described axis also can be with respect to the vertical line limited angle configurations that tilts.Here, relative motion between the loose material that forms based on workpiece and by abrasive particle and/or the polishing particles of machining medium causes the Surface Machining of workpiece.
In the present embodiment, this relative motion obtains the support of the additional movement of process vessel 8, as especially rotating around its center line 8a by process vessel 8.Container 8 is connected with the not detailed controllable rotating driver that represents among Fig. 1 for this purpose, be similar to the embodiment (seeing below described) that represents among Fig. 2, it can comprise the support plate that is provided with driving shaft, driving shaft container 8 downsides from below insert with it complementary accepting in the profile, be permanently connected with container 8 rotations guaranteeing.
Drag in addition and scrape formula finishing machine 1a and also comprise one or more sensors 9, sensor 9 is designed for the distance of determining between sensor 9 and abrasive particle and/or polishing particles filling level 10, so that by deducting above-mentioned distance the distance known between sensor 9 and workpiece, determine the insertion depth in the loose material that workpiece is comprised of abrasive particle and/or polishing particles in being in container 8.The surface profile shape that schematically represents when container 8 rotation abrasive particle and/or polishing particles among Fig. 1 with chain-dotted line 10.Sensor 9 especially can relate to contactless range sensor and/or proximity transducer, for example relates to ultrasonic wave, laser or infrared sensor.In the present embodiment, for example each sensor 9 is located in the zone of downside, each work support 2 clamping point of rotary part 4, that is the top of each work support 2, and definite sensor 9 and processed workpiece top are contained in the distance between loose material in the container 8 (especially the depending on disk 2 rotating speeds) surface 10.If known sensor 9 and each workpiece or the workpiece distance between the work support 2 workpiece brackets 6 fixed thereon detachably as datum mark then can be passed through simple subtraction, determine workpiece real-time insertion depth during Surface Machining especially in loose material.
In addition, equipment 1a especially also comprise among the figure not expression, as be the controller of digital processing element especially in form, it is connected with sensor 9 effects, and it also with for example be the lowering or hoisting gear effect connection of the screw rod 12 that is connected with control driver 11 in form, make at least disk 4, in case of necessity together with its driver 5, and be fixed on work support 2 above it, rise or descend with respect to container 8, this depends on whether the actual insertion depth of knowing by sensor 9 has surpassed or be lower than the insertion depth of expectation.Controller also is equipped with input and display unit (same not expression) for this reason, in order to can input the technological parameter of expectation, such as the specified insertion depth of especially expecting, but input pickup 9 and each workpiece (or each work support 2, or more precisely: the distance each workpiece bracket 6 of work support 2) for example also.In addition, controller is equipped with storage device rightly, to store the different motor program of personalized Surface Machining of expectation.
In addition, controller can be connected with the rotating driver (seeing Fig. 2) of container 8 and with driver 5 effects of disk 4 rightly, so that according to determine by sensor 9, detachably be fixed on the insertion depth of workpiece in the loose material that is formed by abrasive particle and/or polishing particles on the work support 2, change the process time of workpiece and/or detachably be fixed on workpiece on the work support 2 with respect to being in container 8 interior relative velocities by abrasive particle and/or loose material that polishing particles forms.But the Surface Machining that the top that can realize in this way in fact any workpiece under the condition of accurately stipulating technological parameter is reproduced, in this case, especially also can process those surface naturies to them and propose very high request, and they especially must satisfy the very workpiece of closed tolerance.In addition, Surface Machining also can be controlled automatically according to the insertion depth of workpiece in loose material that sensor is determined.
On Fig. 2 representation be plug-in type finishing machine 1b by a kind of form of implementation of present device, wherein identical or act on identical member adopt with Fig. 1 in same mark.Plug-in type finishing machine 1b comprises still that be used to the container 8 that holds abrasive particle and/or polishing particles (not shown) it can be around vertical axis 8a rotation.In the present embodiment, container 8 is installed on the balladeur train 14 that can move by roller 13, by replacing containers 8 with another container 8, guarantees to change easily and quickly particle.Balladeur train 14 comprises one of container 8 motor rotating driver (can not see in detail) that for example is installed in its downside in Fig. 2, it especially can the follow procedure technology mode control rotary speed and direction of rotation in case of necessity, and balladeur train 14 also comprises the support plate 16 that is equipped with driving shaft 15, and container 8 is placed on the support plate 16 with can rotating fixing and self-centering.
For the fixing workpiece that will process, also can adopt in principle more or less static, that is only can adjust the height the work support (not shown), so that the workpiece that will process inserts in the loose material that is in the container 8, and equipment 1b also comprises the formal executor of robot 20 that is in this example, the one or more work supports 2 for detachably fixing the workpiece (not shown) that will process of its supporting.Robot 20 for example relates to the multi-axis industrial robot, and it has a frame 22, capstan head 23 can around vertical axis revolving be bearing on the frame 22.The carriage 24 that is used for horizontal supporting one rocking arm 25 is installed in frame 22, rocking arm 25 back to carriage 24 that (on) end, also cantilever beam 26 is bearing in and is parallel on the horizontally disposed axle of carriage 24 gyroaxises.Cantilever beam 26 is equipped with the three axle robert 27 of holding workpieces support 2 in its end.Capstan head 23 drives with respect to static frame 22 by control motor 28, and control motor 29 then is used for driving rocking arm 25 and control motor 30 is used for driving cantilever beam 26.Three axle robert 27 is driven by other three control motors 31,32,33, and they for example are installed in cantilever beam 26 on that end of manipulator 27.Therefore three axle robert 27 and work support 2 finally not only can turn round under the condition of orientation arbitrarily in three dimensions, so that the workpiece that will be fixed on the work support 2 is positioned at the position of expectation with respect to the loose material that is in the container 8, and work support 2 is moved along any direction in space.In addition, if also expect workpiece rotating except simple plug-in type bruting process, then three axle robert 27 can also make work support 2 rotate around its longitudinal axis 2a at least.
Sensor installation 9 on work support 2 still, it is designed for the distance of determining between sensor 9 and abrasive material and/or the polishing particles filling level 10 (Fig. 1), so that by deducting above-mentioned distance from known distance between sensor 9 and the workpiece, determine the insertion depth in the loose material that workpiece is comprised of abrasive material and/or polishing particles in being in container 8.Sensor 9 can correspondingly be pressed the Sensor Design of Fig. 1.
Not only robot 20 is together with its control motor 28-33 and the sensor 9 that is installed on the work support 2, and the rotating driver of container 8, all be connected with public controller (not shown) effect, and controller itself is connected with input, demonstration and storage device, in order to input, show, carry out and store the motor program different with respect to the container 8 of rotation of work support 2 not only, and the motor program of container 8 itself (here: rotation).Here especially stipulate, controller is controlled to be robot 20 according to the insertion depth that detachably is fixed in the loose material of workpiece in being in container 8 on the work support 2 of knowing by sensor 9, if the actual insertion depth of knowing by sensor 9 surpasses or is lower than the specified insertion depth of expectation, just make work support 2 rise or descend with respect to container 8.This outer controller can be connected with the rotating driver effect of container 8 rightly, so that according to the insertion depth of workpiece in the loose material that is formed by abrasive material and/or polishing particles on the work support 2 of being fixed on of determining by sensor 9, the process time of change workpiece and/or the rotating speed of container 8.This certainly correspondingly also is applicable to the possible motion of robot 20, for example in view of with the manipulator 27 of work support 2 around the increase of axis 2a rotating speed/reduce.
But the Surface Machining that the top that therefore also can realize in fact any workpiece here under the condition of the technological parameter of accurately stipulating is reproduced, in this case, especially also can process those surface naturies to them and propose very high request, and they especially must satisfy the very workpiece of closed tolerance.In addition, Surface Machining can be controlled automatically according to the insertion depth of workpiece in loose material that sensor is determined.
Claims (15)
1. the method for surface of the work processing, wherein, the workpiece insertion is in the loose material that is comprised of abrasive particle and/or polishing particles in the container (8), and workpiece is moved in the loose material that is made of abrasive particle and/or polishing particles with respect to loose material, it is characterized by: by by at the sensor (9) that is installed on container (8) top and the known distance between the workpiece, deduct the sensor (9) determined by sensor and the distance between the interior abrasive particle of container (8) and/or the polishing particles filling level (10), determine that workpiece is at the insertion depth in the loose material that is comprised of abrasive particle and/or polishing particles when the Surface Machining.
2. in accordance with the method for claim 1, it is characterized by, container (8) axis (8a) around perpendicular during surface of the work processing rotates at least.
3. according to claim 1 or 2 described methods, it is characterized by, distance between sensor (9) and abrasive particle and/or the polishing particles filling level (10) is determined by contactless range sensor and/or proximity transducer (9) or mechanical type contact sensor.
4. according to the described method of one of claims 1 to 3, it is characterized by, use the actual insertion depth of determined workpiece in the loose material that is formed by abrasive particle and/or polishing particles, in order to promote or the decline workpiece according to the insertion depth of in the loose material that is formed by abrasive particle and/or polishing particles, expecting.
5. according to the described method of one of claim 1 to 4, it is characterized by, change at least one parameter in the parameter group relevant with this insertion depth with determined actual insertion depth, this parameter group comprises that workpiece is with respect to relative velocity and the process time of the loose material that is comprised of abrasive particle and/or polishing particles.
6. according to the described method of one of claim 1 to 5, it is characterized by, add a kind of liquid machining medium for abrasive particle and/or polishing particles, control the amount of the liquid machining medium that adds this moment.
7. equipment (1a who carries out surface of the work processing who is particularly useful for implementing according to the described method of one of the claims, 1b), wherein, by workpiece being inserted in the loose material that is formed by abrasive particle and/or polishing particles and carrying out surface of the work at loose material in respect to the situation of workpiece relative motion and process, this equipment comprises be used to the container that holds abrasive particle and/or polishing particles (8) and one or more work support (2), the workpiece of processing can detachably be fixed on the support, wherein, work support (2) can move with respect to container (8), it is characterized by: equipment (1a, 1b) also have at least one to be installed in the sensor (9) of container (8) top, this sensor (9) is designed for the distance of determining between it and abrasive particle and/or the polishing particles filling level (10), so that by deducting above-mentioned distance by the known distance between sensor (9) and the workpiece, determine the insertion depth in the loose material that workpiece is comprised of abrasive particle and/or polishing particles in being in container (8).
8. according to equipment claimed in claim 7, it is characterized by, for container (8) sets the rotating driver that makes it to be in rotation status.
9. according to claim 7 or 8 described equipment, it is characterized by, described work support (2) is installed in can be with respect to described container (8) motion be used to holding abrasive particle and/or polishing particles, on the especially rotatable parts (4,27).
10. according to the described equipment of one of claim 7 to 9, it is characterized by, described sensor (9) is made of contactless range sensor and/or proximity transducer, especially inductance, electric capacity, magnetic, optics and electromagnetic type range sensor and/or proximity transducer, or by mechanical sensor, especially feeler consists of.
11. according to equipment claimed in claim 10, it is characterized by, described sensor (9) is grating, ultrasonic wave, laser, infrared sensor or pendulum-type probe.
12. according to the described equipment of one of claim 7 to 11, it is characterized by, described sensor (9) is installed on the horizontal plane at work support (2) top or its place.
13. according to the described equipment of one of claim 7 to 12, it is characterized by, described sensor (9) is connected with controller action, this outer controller also with the lowering or hoisting gear that sets for work support (2) (11,12; 20) effect connects, in order to make workpiece according to the actual insertion depth of this workpiece in the loose material that is formed by abrasive particle and/or polishing particles of determining by sensor (9), rise or descend according to the insertion depth of in the loose material that is formed by abrasive particle and/or polishing particles, expecting.
14. according to the described equipment of one of claim 7 to 13, it is characterized by, described sensor (9) is connected with controller action, this outer controller also is connected with driver effect container (8) and/or work support (2), so that
-according to the insertion depth in the loose material that is formed by abrasive particle and/or polishing particles that the workpiece that detachably is fixed on the work support (2) is determined by sensor (9), change this and detachably be fixed on workpiece on the work support (2) with respect to the relative velocity that is in the interior loose material that is formed by abrasive particle and/or polishing particles of container (8); And/or
-according to the insertion depth in the loose material that is formed by abrasive particle and/or polishing particles that the workpiece that detachably is fixed on the work support (2) is determined by sensor (9), change the process time of this workpiece.
15. according to the described equipment of one of claim 7 to 14, it is characterized by, described container (8) has the import that is provided with the controllable measuring pump, is used for adding the liquid machining medium of controllable amounts to the abrasive particle and/or the polishing particles that are in the container (8).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011113167A DE102011113167A1 (en) | 2011-09-14 | 2011-09-14 | Method and device for the surface treatment of workpieces |
| DE102011113167.5 | 2011-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102990501A true CN102990501A (en) | 2013-03-27 |
| CN102990501B CN102990501B (en) | 2016-11-23 |
Family
ID=46796239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210336803.5A Expired - Fee Related CN102990501B (en) | 2011-09-14 | 2012-09-12 | The method and apparatus of surface of the work processing |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2572829B1 (en) |
| CN (1) | CN102990501B (en) |
| DE (1) | DE102011113167A1 (en) |
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| CN105102186A (en) * | 2013-04-09 | 2015-11-25 | Otec精密研磨有限责任公司 | Method and device for the surface treatment of workpieces |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2572829A1 (en) | 2013-03-27 |
| CN102990501B (en) | 2016-11-23 |
| EP2572829B1 (en) | 2013-11-20 |
| DE102011113167A1 (en) | 2013-03-14 |
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